About: Evaluation f a Reflection Method on an Open-Ended Coaxial Line and its Use in Dielectric Measurements

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Příspěvek popisuje metodu pro určování komplexní permitivity biologických tkání. Vhodnou metodou pro dielektrická měření je odrazná metoda na otevřeném konci koaxiálního kabelu. Jedná se o měřicí metodu, která je širokopásmová a neinvazivní a nedestruktivní pro biologické látky. Studie popisuje chování koaxiální sondy v kmitočotvém pásmu vektorového analyzátoru od 17 MHz do 2 GHz. Pozornost je věnována také kalibračí technice a chování diskrétních prvků náhradního obvody konaxiální sondy. Měřicí systém je modelován v simulátoru elektromagnetického pole a simulované průběhy amplitudy a fáze koeficientu odrazu na rozhraní sonda a vzorek biologické tkáně je porovnána s naměřenými daty. (cs) This paper describes a method for determining the dielectric constant of a biological tissue. A suitable way to make a dielectric measurement that is nondestructive and noninvasive for the biological substance and broadband at the frequency range of the network analyzer is to use a reflection method on an open ended coaxial line. A coaxial probe in the frequency range of the network analyzer from 17 MHz to 2 GHz is under investigation and also a calibration technique and the behavior of discrete elements in an equivalent circuit of an open ended coaxial line. Information about the magnitude and phase of the reflection coefficient on the interface between a biological tissue sample and a measurement probe is modeled with the aid of an electromagnetic field simulator. The numerical modeling is compared with real measurements, and a comparison is presented. This paper describes a method for determining the dielectric constant of a biological tissue. A suitable way to make a dielectric measurement that is nondestructive and noninvasive for the biological substance and broadband at the frequency range of the network analyzer is to use a reflection method on an open ended coaxial line. A coaxial probe in the frequency range of the network analyzer from 17 MHz to 2 GHz is under investigation and also a calibration technique and the behavior of discrete elements in an equivalent circuit of an open ended coaxial line. Information about the magnitude and phase of the reflection coefficient on the interface between a biological tissue sample and a measurement probe is modeled with the aid of an electromagnetic field simulator. The numerical modeling is compared with real measurements, and a comparison is presented. (en)
Title	Evaluation f a Reflection Method on an Open-Ended Coaxial Line and its Use in Dielectric Measurements Vyhodnocení odrazné metody na otevřeném konci koaxiálního kabelu a její využití pro dielektrická meření (cs) Evaluation f a Reflection Method on an Open-Ended Coaxial Line and its Use in Dielectric Measurements (en)
skos:prefLabel	Evaluation f a Reflection Method on an Open-Ended Coaxial Line and its Use in Dielectric Measurements Vyhodnocení odrazné metody na otevřeném konci koaxiálního kabelu a její využití pro dielektrická meření (cs) Evaluation f a Reflection Method on an Open-Ended Coaxial Line and its Use in Dielectric Measurements (en)
skos:notation	RIV/68407700:21230/06:03129909!RIV07-MSM-21230___
http://linked.open.../vavai/riv/strany	50;54
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	Novotný, Karel Vrba, Jan Zajíček, Radim
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	474674
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/06:03129909
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	coaxial probe; complex permitivity; reflection method (en)
http://linked.open.../riv/klicoveSlovo	reflection method complex permitivity coaxial probe
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[AF6B5F3B3F1C]
http://linked.open...i/riv/nazevZdroje	Acta Polytechnica
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	46
http://linked.open...iv/tvurceVysledku	Novotný, Karel Vrba, Jan Zajíček, Radim
issn	1210-2709
number of pages	5 (xsd:int)
http://localhost/t...ganizacniJednotka	21230
is http://linked.open...avai/riv/vysledek of	Evaluation f a Reflection Method on an Open-Ended Coaxial Line and its Use in Dielectric Measurements Evaluation f a Reflection Method on an Open-Ended Coaxial Line and its Use in Dielectric Measurements

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